Question: A body moves from a position 𝒓𝟏= (2𝒊̂-3𝐣̂-4𝐤̂ ) m to a position, r2= (3𝑖̂-43ĵ-5𝑘̂) m under the influence of a constant force F= (4𝒊̂− 4𝐣̂+ 5𝐤̂ ) N. The work done by the force is
(A) 57 J
(B) 58 J
(C) 59 J
(D) 60 J
Answer: Option (A)
Solution:

